Home / 4,678.07-6,455.72-2,582.20

Finding the Fourth Proportional to 4,678.07, 6,455.72 and 2,582.20

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Solution

The fourth proportional to 4,678.07, 6,455.72 and 2,582.20 is: 3,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.07 : 6,455.72 = 2,582.20 : x
  2. Step 2: Convert to fraction form
    4,678.07/6,455.72 = 2,582.20/x
  3. Step 3: Cross multiply
    4,678.07x = 6,455.72 × 2,582.20
  4. Step 4: Simplify right side
    4,678.07x = 16,669,914.99
  5. Step 5: Solve for x
    x = 16,669,914.99/4,678.07
  6. Step 6: Final answer
    x = 3,563.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.